ContentsBefore Working Inside Your Computer...................................9Before You Begin .............................................................................................. 9Safety Instructions............................................................................................. 9Recommended Tools................................................................ 11After Working Inside Your Computer.................................... 12Removing the Battery............................................................... 13Procedure......................................................................................................... 13Replacing the Battery............................................................... 14Procedure.........................................................................................................14Removing the Base Cover........................................................ 16Prerequisites..................................................................................................... 16Procedure.........................................................................................................16Replacing the Base Cover........................................................ 17Procedure......................................................................................................... 17Post-requisites..................................................................................................17Removing the Optical Drive.................................................... 18Prerequisites.....................................................................................................18Procedure.........................................................................................................18Replacing the Optical Drive.....................................................21Procedure......................................................................................................... 21Post-requisites................................................................................................. 21